{"id":"https://openalex.org/W23923556","doi":"https://doi.org/10.15760/etd.155","title":"A Study of Soil Organic Matter and Its Controlling Factors in Portland, Oregon","display_name":"A Study of Soil Organic Matter and Its Controlling Factors in Portland, Oregon","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W23923556","doi":"https://doi.org/10.15760/etd.155","mag":"23923556"},"language":"en","primary_location":{"id":"doi:10.15760/etd.155","doi":"https://doi.org/10.15760/etd.155","is_oa":true,"landing_page_url":"https://doi.org/10.15760/etd.155","pdf_url":"https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=1154&context=open_access_etds","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Portland State University","raw_type":"report"},"volume":null,"type":"report","is_traditional":false,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=1154&context=open_access_etds","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108528932","display_name":"Megan Dillon","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126345244","display_name":"Portland State University","ror":"https://ror.org/00yn2fy02","country_code":"US","type":"education","lineage":["https://openalex.org/I126345244"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Megan Dillon","raw_affiliation_strings":["Portland State University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Portland State University","institution_ids":["https://openalex.org/I126345244"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5108528932"],"corresponding_institution_ids":["https://openalex.org/I126345244"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13102","display_name":"Soil and Environmental Studies","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10770","display_name":"Soil Geostatistics and Mapping","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/soil-organic-matter","display_name":"soil organic matter","score":0.9639999866485596},{"id":"https://openalex.org/keywords/urban-soils","display_name":"urban soils","score":0.9300000071525574},{"id":"https://openalex.org/keywords/soil-organic-matter-accumulation","display_name":"soil organic matter accumulation","score":0.8149999976158142},{"id":"https://openalex.org/keywords/microbial-biomass","display_name":"microbial biomass","score":0.7210000157356262},{"id":"https://openalex.org/keywords/soil-bulk-density","display_name":"soil bulk density","score":0.8740000128746033},{"id":"https://openalex.org/keywords/soil-nitrogen","display_name":"soil nitrogen","score":0.6620000004768372},{"id":"https://openalex.org/keywords/urbanization","display_name":"urbanization","score":0.6430000066757202},{"id":"https://openalex.org/keywords/soil-carbon-storage","display_name":"soil carbon storage","score":0.6430000066757202},{"id":"https://openalex.org/keywords/anthropogenic-disturbance","display_name":"human disturbance","score":0.6209999918937683},{"id":"https://openalex.org/keywords/portland-oregon","display_name":"Portland, Oregon","score":0.6959999799728394}],"concepts":[{"id":"https://openalex.org/C48743137","wikidata":"https://www.wikidata.org/wiki/Q1783121","display_name":"Organic matter","level":2,"score":0.7585486769676208},{"id":"https://openalex.org/C182124840","wikidata":"https://www.wikidata.org/wiki/Q1154759","display_name":"Soil organic matter","level":3,"score":0.7403666973114014},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6746967434883118},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.6272870302200317},{"id":"https://openalex.org/C39464130","wikidata":"https://www.wikidata.org/wiki/Q7554898","display_name":"Soil carbon","level":3,"score":0.4780164957046509},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.4371616840362549},{"id":"https://openalex.org/C175963888","wikidata":"https://www.wikidata.org/wiki/Q5026010","display_name":"Soil texture","level":3,"score":0.43106770515441895},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.28630465269088745},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08140787482261658}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.15760/etd.155","doi":"https://doi.org/10.15760/etd.155","is_oa":true,"landing_page_url":"https://doi.org/10.15760/etd.155","pdf_url":"https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=1154&context=open_access_etds","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Portland State University","raw_type":"report"},{"id":"pmh:oai:pqdtoai.proquest.com:1506403","doi":null,"is_oa":false,"landing_page_url":"http://pqdtopen.proquest.com/#viewpdf?dispub=1506403","pdf_url":"http://pqdtopen.proquest.com/#viewpdf?dispub=1506403","source":{"id":"https://openalex.org/S7407064308","display_name":"ProQuest Demo Repository","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"thesis"},{"id":"pmh:oai:pdxscholar.library.pdx.edu:open_access_etds-1154","doi":null,"is_oa":false,"landing_page_url":"https://pdxscholar.library.pdx.edu/open_access_etds/155","pdf_url":null,"source":{"id":"https://openalex.org/S4377196300","display_name":"PDXScholar  (Portland State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I126345244","host_organization_name":"Portland State University","host_organization_lineage":["https://openalex.org/I126345244"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Dissertations and Theses","raw_type":"text"}],"best_oa_location":{"id":"doi:10.15760/etd.155","doi":"https://doi.org/10.15760/etd.155","is_oa":true,"landing_page_url":"https://doi.org/10.15760/etd.155","pdf_url":"https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=1154&context=open_access_etds","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Portland State University","raw_type":"report"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life on land","score":0.7605999708175659},{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7250000238418579}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309493","display_name":"Portland State University","ror":"https://ror.org/00yn2fy02"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W23923556.pdf","grobid_xml":"https://content.openalex.org/works/W23923556.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1560176444","https://openalex.org/W1912619671","https://openalex.org/W1965122835","https://openalex.org/W1967493192","https://openalex.org/W1988468112","https://openalex.org/W1994912014","https://openalex.org/W1995775107","https://openalex.org/W2004396682","https://openalex.org/W2021443858","https://openalex.org/W2037207801","https://openalex.org/W2044788058","https://openalex.org/W2046828734","https://openalex.org/W2054628082","https://openalex.org/W2065248888","https://openalex.org/W2083857556","https://openalex.org/W2090789066","https://openalex.org/W2095820065","https://openalex.org/W2096844430","https://openalex.org/W2106464916","https://openalex.org/W2117321971","https://openalex.org/W2121448175","https://openalex.org/W2122419936","https://openalex.org/W2131782538","https://openalex.org/W2135792715","https://openalex.org/W2141350212","https://openalex.org/W2150193364","https://openalex.org/W2159549065","https://openalex.org/W2170239286","https://openalex.org/W4300114647","https://openalex.org/W4311834446","https://openalex.org/W6600100272"],"related_works":["https://openalex.org/W2281512238","https://openalex.org/W2259432317","https://openalex.org/W2905609413","https://openalex.org/W4233449050","https://openalex.org/W2273266410","https://openalex.org/W2393927940","https://openalex.org/W1983305641","https://openalex.org/W2998306353","https://openalex.org/W2230172174","https://openalex.org/W2519111500"],"abstract_inverted_index":{"Traditionally,":[0],"local":[1],"above-":[2],"and":[3,6,10,13,15,49,71,123,139,141,148,170,172,206],"below-ground":[4],"plant":[5],"microbial":[7,202],"communities,":[8],"temperature":[9],"precipitation,":[11],"topography":[12],"texture":[14],"composition":[16],"of":[17,47,51,58,61,75,98,127,223],"parent":[18],"material":[19],"have":[20],"been":[21],"thought":[22],"to":[23,30,56,83,112,154,194,210,240],"govern":[24],"the":[25,66,69,73,125,145,157],"soil":[26,31,84,99,114,120,136,177,197,215,224],"processes":[27],"that":[28,88,106,155,162],"lead":[29],"organic":[32,40,85,100,115,121,137,178,198,216,225],"matter":[33,41,86,101,122,138,179,199,217,226],"accumulation":[34,129],"over":[35],"decades":[36],"or":[37],"centuries.":[38],"Soil":[39],"is":[42,181,231],"a":[43],"substantial":[44],"global":[45],"reservoir":[46],"carbon":[48],"disturbance":[50],"equilibrated":[52],"soils":[53,230],"often":[54],"leads":[55,82],"efflux":[57],"significant":[59],"quantities":[60],"CO2.":[62],"Anthropogenic":[63],"influences":[64],"shift":[65],"inputs,":[67],"disturb":[68],"structure":[70,189],"alter":[72],"biochemistry":[74],"soil,":[76],"profoundly":[77],"disrupting":[78],"soil-forming":[79],"processes.":[80],"Urbanization":[81],"equilibria":[87],"are":[89],"different":[90],"from":[91,234],"those":[92],"in":[93,102,109,135,151,156,219,228,238],"naturally":[94],"forming":[95],"soils.":[96],"Measurement":[97],"diverse":[103],"cities":[104,131],"suggests":[105],"they":[107],"differ":[108],"their":[110],"capacity":[111],"accumulate":[113],"matter.":[116],"Here":[117],"I":[118,160],"quantify":[119],"examine":[124],"limitations":[126],"its":[128],"within":[130],"by":[132],"comparing":[133],"differences":[134],"natural":[140],"anthropogenic":[142],"characteristics":[143,169],"at":[144],"neighborhood,":[146],"city":[147],"regional":[149],"scales":[150],"Portland,":[152,186],"Oregon":[153],"Pacific":[158,235],"Northwest.":[159],"found":[161],"each":[163],"Portland":[164],"neighborhood":[165],"has":[166],"distinct":[167],"urban":[168,191],"tree":[171],"shrub":[173],"community":[174],"composition,":[175],"but":[176],"content":[180,218],"indistinguishable":[182,233],"among":[183],"them.":[184],"Across":[185],"neither":[187],"vegetation":[188],"nor":[190],"factors":[192,213],"appear":[193,209],"directly":[195],"influence":[196],"content.":[200],"Rather,":[201],"biomass,":[203],"bulk":[204],"density":[205],"total":[207],"nitrogen":[208],"be":[211],"important":[212],"controlling":[214],"Portland.":[220],"The":[221],"amount":[222],"stored":[227],"Portland's":[229],"statistically":[232],"Northwest":[236],"soils,":[237],"contrast":[239],"other":[241],"temperate":[242],"cities.":[243]},"counts_by_year":[],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}
